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Inventions 2017, 2(2), 8; doi:10.3390/inventions2020008

A Channel Allocation Mechanism for Cellular Networks

1
Chunghwa Telecom Laboratories, Chunghwa Telecom Co., Ltd., Taoyuan 326, Taiwan
2
Department of Electrical and Computer Engineering, National Chiao Tung University, Hsinchu 300, Taiwan
3
Department of Industrial Engineering and Engineering Management, National Tsing Hua University, Hsinchu 300, Taiwan
4
Data Communication Business Group, Chunghwa Telecom Co., Ltd., Taipei 100, Taiwan
5
Department of Information Management and Finance, National Chiao Tung University, Hsinchu 300, Taiwan
*
Author to whom correspondence should be addressed.
Academic Editors: Giovanni Acampora and Chien-Hung Liu
Received: 17 February 2017 / Revised: 12 March 2017 / Accepted: 12 April 2017 / Published: 17 April 2017

Abstract

In cellular networks, call blocking causes lower customer satisfaction and economic loss. Therefore, the channel allocation for call block avoidance is an important issue. This study proposes a mechanism that considers the real-time traffic information (e.g., traffic flow and vehicle speed) and the user behavior (e.g., call inter-arrival time and call holding time) to analyze the adaptable number of communication calls in the specific cell for channel allocation. In experiments about call block probabilities (CBP), this study simulated two cases that are the situations of the whole day and traffic accident. The simulation results show that all CBPs in the scenario of whole day are less than 21.5% by using the proposed mechanism, which is better than using the static channel allocation (SCA) mechanism. Moreover, all CBPs in the scenario of traffic accidents are less than 16.5% by using the proposed mechanism, which is better than using the SCA mechanism. Therefore, the proposed mechanism can decrease the number of CBPs effectively. View Full-Text
Keywords: cellular network; call drop; call block; channel allocation cellular network; call drop; call block; channel allocation
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Chen, C.-H.; Lin, B.-Y.; Lei, C.-H.; Lo, C.-C. A Channel Allocation Mechanism for Cellular Networks. Inventions 2017, 2, 8.

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